What has the author George Winslow Plummer written?
George Winslow Plummer has written:
'Rosicrvcian symbology' -- subject(s): Symbolism,
Rosicrucians
'The Voice of Science'
'A brief course in mediumship' -- subject(s): Spiritualism
'Rosicrucian manual for the instruction of postulants in the
associate membership' -- subject(s): Rosicrucians
'Mercury'
'Master's Word'
'Masonic Obligations'
'Living Stones'